Wire EDM Machine Operation Chapter 7
Copyright November, 98 Page 7-8 Sodick Inc.
C2 (CONTINUES ON NEXT PAGE)
G41H2 (This calls the value of H2)
G01X.5
Y.5
X0
G40Y0
T85
C3
G41H3 (This calls the value of H3)
G01X.5
Y.5
X0
G40Y0
M02
Notice that the offset values set into the Header were calculated as follows.
Book Offset - Clearance / side = Header value
.0085” - .010” = -.0015”
.0056” - .010” = -.0044”
.0053” - .010” = -.0047”
Because H000, H004 and H005 are not needed in the above example, (the NC program
doesn’t call out these registers) you could delete then from the header. Another header
example follows, to get the same result.
H001 = -00000015 H002 = -00000044 H003 = -00000047
SETTING NEGATIVE OFFSET VALUES DIRECTLY
If your program does not use a Header then you can call out negative offset values from
the offset file directly. Below is an example of how to do this.
NC Program Example:
G92X0Y0
T84
C1
G41H-015 (This calls out the value of H015 and switches it negative)
G01X.5
Y.5
X0
G40Y0
T85
C2
G41H-044 (This calls out the value of H044 and switches it negative)
G01X.5
Y.5
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